329 #define BLK_DATALESS(blk)		(LPOS_DATALESS((blk)->begin) && \
609 			if (blk_lpos->begin != lpos_begin)  in data_make_reusable()
618 			if (blk_lpos->begin != lpos_begin)  in data_make_reusable()
1042 		blk_lpos->begin = EMPTY_LINE_LPOS;  in data_alloc()
1056 			blk_lpos->begin = FAILED_LPOS;  in data_alloc()
1095 	blk_lpos->begin = begin_lpos;  in data_alloc()
1128 	wrapped = (DATA_WRAPS(data_ring, blk_lpos->begin) != DATA_WRAPS(data_ring, blk_lpos->next));  in data_realloc()
1132 	next_lpos = get_next_lpos(data_ring, blk_lpos->begin, size);  in data_realloc()
1139 			blk = to_block(data_ring, blk_lpos->begin);  in data_realloc()
1152 	blk = to_block(data_ring, blk_lpos->begin);  in data_realloc()
1154 	if (DATA_WRAPS(data_ring, blk_lpos->begin) != DATA_WRAPS(data_ring, next_lpos)) {  in data_realloc()
1173 			       (blk_lpos->next - blk_lpos->begin) - sizeof(blk->id));  in data_realloc()
1190 	if (DATA_WRAPS(data_ring, blk_lpos->begin) == DATA_WRAPS(data_ring, blk_lpos->next)) {  in space_used()
1193 			DATA_INDEX(data_ring, blk_lpos->begin));  in space_used()
1201 		DATA_SIZE(data_ring) - DATA_INDEX(data_ring, blk_lpos->begin));  in space_used()
1226 		if (blk_lpos->begin == EMPTY_LINE_LPOS &&  in get_data()
1237 	if (DATA_WRAPS(data_ring, blk_lpos->begin) == DATA_WRAPS(data_ring, blk_lpos->next) &&  in get_data()
1238 	    blk_lpos->begin < blk_lpos->next) {  in get_data()
1239 		db = to_block(data_ring, blk_lpos->begin);  in get_data()
1240 		*data_size = blk_lpos->next - blk_lpos->begin;  in get_data()
1243 	} else if (DATA_WRAPS(data_ring, blk_lpos->begin + DATA_SIZE(data_ring)) ==  in get_data()
1255 	if (WARN_ON_ONCE(blk_lpos->begin != ALIGN(blk_lpos->begin, sizeof(db->id))) ||  in get_data()
1894 	    (blk_lpos->begin == FAILED_LPOS && blk_lpos->next == FAILED_LPOS)) {  in desc_read_finalized_seq()
2327 	descs[_DESCS_COUNT(descbits) - 1].text_blk_lpos.begin = FAILED_LPOS;  in prb_init()